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Chang’e-4 and Yutu-2 reactivated for 29th lunar day

8:28 am

Chinese engineers have reactivated their Chang’e-4 lander and Yutu-2 rover, beginning their 29th lunar day on the far side of the Moon.

As is usual from the state-run Chinese press, the article provides little other detail, other than stating that Yutu-2 ” will continue to move northwest toward the basalt distribution area located about 1.2 km away from the rover.” That’s about 3,900 feet. Based on Yutu-2 pace of moving about 100 feet per lunar day, it will be more than three years before it reaches that goal.

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Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon, any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

Study: a Martian crater lake fed by glacial run-off

1:19 pm

Map of crater lake and run-offs
From figure 1 on the research paper.

A new study of a 33-mile-wide Martian crater in its southern cratered highlands has found evidence that a lake had once existed on the crater floor, and was fed entirely by glacial run-off in a cold climate, coming from its interior walls, not from outside the crater.

In a study published in Planetary Science Journal, a research team led by Brown Ph.D. student Ben Boatwright describes an as-yet unnamed crater with some puzzling characteristics. The crater’s floor has unmistakable geologic evidence of ancient stream beds and ponds, yet there’s no evidence of inlet channels where water could have entered the crater from outside, and no evidence of groundwater activity where it could have bubbled up from below.

So where did the water come from?

The researchers conclude that the system was likely fed by runoff from a long-lost Martian glacier. Water flowed into the crater atop the glacier, which meant it didn’t leave behind a valley as it would have had it flowed directly on the ground. The water eventually emptied into the low-lying crater floor, where it left its geological mark on the bare Martian soil.

You can read the full paper here. The crater is considered very old, which means this evidence dates from a very early Mars when the climate was very different. As the scientists note in their conclusion:
» Read more

2 comments

Today’s blacklisted American: Whites at Cornell University

12:55 pm

The Civil Rights Act of 1964: repealed by Cornell
The Civil Rights Act of 1964: repealed by Cornell

Continuing my weeklong series documenting the modern bigotry of our culture, today’s bigot is Cornell University, who recently offered a segregated rock-climbing course that whites were forbidden to attend. From the course’s original description:

This class is for people who identify as Black, Indigenous, Latinx, Asian, or other people of color.

Moreover, that original course description made it very clear that the course was limited to such students only.

The original description gave no indication that BIPOC [Black, Indigenous People, Others of Color] students were the “special focus” of the course, instead of the only eligible category for enrollment. While [that original version] said students “will also talk about BIPOC individuals and groups in rock climbing,” that sentence was immediately followed by the restriction to “people who identify as” BIPOC.

Such a class would be illegal under both federal and New York state law.
» Read more

15 comments

Conscious Choice cover

Now available in hardback and paperback as well as ebook!

 

From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of the Mars Society.

 

All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. All editions can also be purchased direct from the ebook publisher, ebookit, in which case you don't support the big tech companies and the author gets a bigger cut much sooner.

 

Autographed printed copies are also available at discount directly from the author (hardback $29.95; paperback $14.95; Shipping cost for either: $6.00). Just send an email to zimmerman @ nasw dot org.

SpaceX’s decision to build launchpad with Starship tanks proves the rocket will be cheapest ever built

10:10 am

Capitalism in space: The decision by SpaceX’s to build the tank farm for its Starship/Super Heavy launchpad at Boca Chica using Starship tanks, rather than inexpensive off-the-shelf storage tanks, strongly suggests that the company’s manufacturing facility for building those tanks makes them very inexpensive, and also suggests that the final rocket will be as cheap to launch as SpaceX has promised.

SpaceX is effectively taking identical rocket parts, slightly tweaking a handful of those parts, and turning what could have been a rocket into a propellant storage tank. This is significant because relative to all other rockets in history, even including SpaceX’s own Falcon 9 and Heavy, building storage tanks with unchanged rocket parts on a rocket assembly line would be roughly akin to hiring Vincent van Gogh to paint lane lines.

Ever since Elon Musk made the radical decision to switch from composite structures to stainless steel, Starship has always aimed to be radically different than any large rocket before it. Crucially, by using commodity steel, the CEO imagined SpaceX would be able to build Starships fairly easily and for pennies on the dollar next to even SpaceX’s exceptionally affordable Falcon 9. In the last 18 months, it’s become apparent that SpaceX has built a factory capable of churning out one or two massive steel rockets per month and is willing to consign at least four or five of those Starship prototypes to all-but-guaranteed failures for the sake of data-gathering and iterative improvement.

Technically, the most logical conclusion would be that Musk was right and that SpaceX has quickly developed the ability to build steel rockets larger than any other launch vehicle on Earth for perhaps just $5M or less apiece.

The analysis at the link is detailed and worth reading. If correct, this decision by SpaceX proves that Starship and Super Heavy will be the cheapest rocket ever flown, even though it will be the largest ever flown, and also completely reusable.

11 comments

Russia’s first private space tourism company shuts down

9:54 am

Capitalism in space? Russia’s first private space tourism company has been forced to close before it even launched its first rocket because of the obstacles placed before by Russia’s government.

Kosmokurs’ operations will cease due to “insurmountable difficulties” in coordinating with local authorities on the cosmodrome project as well as the company’s “inability to obtain needed regulatory documents from the Defense Ministry” for the design of a suborbital tourist rocket, its CEO Pavel Pushkin told RIA Novosti.

However, the government-run Roscosmos, which controls the rest of Russia’s aerospace industry, has graciously announced it will hire Kosmokurs’ fifty employees.

Do you see a pattern? I do. Kosmokurs was cutting into Roscosmos’s territory. That could not be tolerated, and so the government moved to sabotage it. Now that it is dead, the government can absorb it to try to build its rocket and make money using it.

This kind of mob rule by the Russian government is why that country’s space industry is failing to compete with the new commercial industry coming out of the U.S. and elsewhere. It does not tolerate free competition, only top-down control by the government. The result is that while Russia might eventually fly its own space tourism rockets, it will have only one, and it will likely not be as efficient or as competitive. The only cost advantage it will likely have is Russia’s low wages.

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Leaving Earth cover

Leaving Earth: Space Stations, Rival Superpowers, and the Quest for Interplanetary Travel, can be purchased as an ebook everywhere for only $3.99 (before discount) at amazon, Barnes & Noble, all ebook vendors, or direct from my ebook publisher, ebookit.

 

If you buy it from ebookit you don't support the big oppressive tech companies and I get a bigger cut much sooner.

 

Winner of the 2003 Eugene M. Emme Award of the American Astronautical Society.

 
"Leaving Earth is one of the best and certainly the most comprehensive summary of our drive into space that I have ever read. It will be invaluable to future scholars because it will tell them how the next chapter of human history opened." -- Arthur C. Clarke

Rocket startup ABL Space gets giant Lockheed Martin launch contract

9:40 am

Capitalism in space: Smallsat rocket startup ABL Space, which has yet to launch its first test rocket, has won a gigantic launch contract from Lockheed Martin for as many as 58 launches through 2029.

Under terms of the block-buy agreement between ABL Space Systems and Lockheed, the aerospace giant will purchase “up to” 26 launches through 2026 and as many as 32 additional launches through 2029. If the terms are fulfilled, this would come to 58 launches over the next eight years for ABL Space. In an industry where even a single launch contract often produces a news release, a contract for five dozen launches is unprecedented for a private company.

…The partnership will allow Lockheed, which builds large numbers of satellites for commercial customers, frequent and low-cost access to space. It is perhaps not a surprise that Lockheed selected ABL Space for its small launch needs, as Lockhead was an early investor in the launch company during a seed phase in 2019 and has continued to participate in additional rounds of fundraising. ABL has raised a total of $219 million to date.

Though Lockheed Martin is not ABL’s biggest investor, by being an early investor it has been involved in the development of ABL’s RS1 rocket from the start, which also means that Lockheed Martin was essentially buying its own rocket company to place the satellites it makes into orbit.

In fact, this decision falls into line with what appears to be Lockheed Martin’s long term corporate strategy. In 2017 the company opened its satellite-making factory with the satellites designed with standardized structures so that customers could pick and choose the design of their liking.

In 2018 it was revealed that the company was a key investor in Rocket Lab, while also participating in the creation of the United Kingdom’s first spaceport in Sutherland, Scotland.

It then decided to become a major investor in ABL, probably taking advantage of what it learned from Rocket Lab to improve the design. Now it plans to use that new rocket to launch a large number of the smallsats it is building in its factory.

Lockheed Martin is essentially copying SpaceX’s vertical integration strategy, whereby it owns or builds all aspects of its launch business. This allows it to reduce costs while controlling construction entirely. You cut out the middle man, and make your satellites cheaper to sell to others.

The first launch of ABL’s RS1 rocket was originally scheduled for the first half of this year, but has now been pushed back to the third quarter. If successful the company says it will follow it with two more launches before the end of the year, and very ambitious schedule.

2 comments

Ingenuity survives first night on its own on Mars

3:17 pm

Completing another a major engineering hurdle, the Ingenuity helicopter successfully survived its first night on Mars, unprotected by the power and shielding of the Perseverance rover.

“This is the first time that Ingenuity has been on its own on the surface of Mars,” said MiMi Aung, Ingenuity project manager at NASA’s Jet Propulsion Laboratory in Southern California. “But we now have confirmation that we have the right insulation, the right heaters, and enough energy in its battery to survive the cold night, which is a big win for the team. We’re excited to continue to prepare Ingenuity for its first flight test.”

Engineers will spend the next two days fine-tuning Ingenuity’s thermal and power systems. Then on April 7th they will begin testing the helicopter’s rotary blades and their motors. If all goes right, the actual flight will occur on April 11th.

One comment

Colorful mesa in the Martian northern lowland plains

1:34 pm

Colorful mound in Martian northern lowland plains
Click for full image.

Cool image time! The photo to the right, rotated and cropped to post here and taken on January 15, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), shows the colorful top of a small mesa in the northern lowland plains of Mars and about 300 miles north of the planned landing zone for Europe’s Franklin rover, scheduled to launch in 2022.

What makes this mesa stand out is the bright and colorful areas on its slopes. The colors are false, but they indicate [pdf] certain things. The yellow is likely dust covered rock. The pinkish rock is also likely dust-covered, but made up of coarser material. The bluish strip running along the mesa’s northern slope is possibly frost or ice, not unlikely as this mound is at 25 degrees north latitude and was taken during winter. The slope faces north, which would put it in shadow much of the time during winter.

The colors however only hint at what is there.
» Read more

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Today’s blacklisted Americans: Coca-Cola’s racist policies that discriminate against whites

12:00 pm

Coca-Cola's bigoted company policy
Examples of the bigoted educational material
being pushed by Coca-Cola

This week is going to be racism week for my daily posts on blacklisting in today’s fascist culture. Each day I will highlight another example of modern racism by companies and governments against innocent people simply because they were born with the wrong skin color. And that skin color will be white, which is now the one kind of racism that the left now honors and demands, from everyone.

Our first bigot this week is the multi-national soda company Coca-Cola. Most of the news this past week or so has been focused on this company’s mindless decision to condemn Georgia’s new election law, based on Democratic Party lies and a refusal to even read the law.

However, let’s take a closer look at Coke’s bigoted policies, which are expressly designed to create a hostile work environment for anyone who happens to be white, solely based not on their performance but their skin color. The image above shows screen captures of just four slides from a Coke-Cola critical race theory training class, provided by a whistle-blower but later confirmed by the company as accurate.
» Read more

15 comments

Methane tank leak caused Starship #11 failure

9:24 am

Capitalism in space: According to Elon Musk, a small leak of methane from one tank caused the failure of the eleventh Starship prototype. From Musk’s tweet:

Ascent phase, transition to horizontal & control during free fall were good.

A (relatively) small CH4 leak led to fire on engine 2 & fried part of avionics, causing hard start attempting landing burn in CH4 turbopump.

This is getting fixed 6 ways to Sunday.

Meanwhile, prototype #15 is getting prepped for rollout to the launchpad (Numbers 12-14 were scrapped), and the first prototype of first stage Super Heavy is being assembled to testing. It is presently unclear when either will take place, though the company still has a target date of July for its first orbital launch. According to Musk, the first orbital prototypes of Starship will be those numbered 20 or higher.

“Those ships will be orbit-capable with heat shield & stage separation system,” Musk tweeted. “Ascent success probability is high. However, SN20+ vehicles will probably need many flight attempts to survive Mach 25 entry heating & land intact.”

Knowing those first orbital ships will likely not land properly raises the question as to where they will be aimed to come down. SpaceX now owns two retired floating oil platforms, and is preparing them for use by Starship/Super Heavy. It could very well be that test flights of prototype #20+ will take place to and from those pads, out in the ocean, so as to minimize any risk to populated areas. Doing so will also allow SpaceX to hone its procedures for moving these big spaceships to and from the platforms.

21 comments

Resilience successfully moves from one ISS docking port to another

4:29 am

With four astronauts on board the Dragon capsule Resilience tonight successfully undocked from one docking port on ISS and redocked to a different port.

This was the first time an American spacecraft had accomplished this task. It was necessary to clear the docking port that the next Dragon capsule, Endeavour, will use to bring its crew to ISS, presently set for launch on April 22nd.

Russian astronauts have piloted Soyuz spacecraft between different ports numerous times, both on ISS and on Russia’s earlier space stations. Tonight’s transfer by Resilience however was done entirely on autopilot. The American astronauts could have taken over manually at any time, but the spacecraft did the entire maneuver on its own.

There is a certain irony in how the Russians have always done this maneuver, manually, and how Resilience did this, without any human intervention. From the 1960s through the entire space shuttle program Americans and all its astronauts strongly demanded that their spacecraft be piloted, by the humans on board, rather than being controlled by software or ground control. The Russians instead insisted, at least initially, that while their astronauts had the capability of doing all maneuvers manually, their software or mission control should run things. This difference seemed to nicely symbolize the down-up nature of America versus the top-down culture of Russia.

Things are now reversed. I wonder if that tells us anything about the two cultures today.

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More leaks found in Russian Zvezda module on ISS

10:34 am

Earlier this week Russian astronauts located and patched three more leaks in the 20+ year old Russian Zvezda module on ISS.

Prior to this week’s discovery, the recent patching done by Russian astronauts had reduced the air loss by about half. They need to do another seal test of Zvezda to see if these newer patches have reduced it further.

The report at the link from Russia is as usual very vague. No photos of any of the leaks have been released, by either Russia or NASA. No cause either has been described. This lack of information suggests that the leaks represent a more systemic problem, possibly related to stress fractures from age and wear. If so, it also suggests that Zvezda is nearing its pull-date. How this central module will be replaced from the station remains a major mystery.

Above all, this puts some urgency to the launch of newer modules, such as those being built by the private company Axiom.

9 comments

Ingenuity released from Perseverance

12:57 am

Ingenuity on the ground
Click for full image.

Perseverance engineers have now confirmed that the Ingenuity helicopter was successfully released below the rover earlier today, and the rover immediately moved away to expose the helicopter to sunlight so that its solar panels can charge its batteries.

The photo to the right, cropped to post here, was taken by one of Perseverance’s rear hazard avoidance cameras, shortly after the release and move. They will now begin about a week of check-outs to make sure Ingenuity is functioning properly, even as they drive Perseverance a distance away to a lookout point where it can safely observe the helicopter’s test flight on Mars, presently targeted for April 11th. If successful this will be the first powered flight ever achieved on another world.

13 comments

Sunspot update: Higher than predicted activity continues

12:10 am

The uncertainty of science: Time for our monthly update of the Sun’s on-going sunspot cycle. Below is NOAA’s April 1, 2021 monthly graph, showing the Sun’s sunspot activity through the end of March 2021. I have annotated it as always to show the previous solar cycle predictions.

The higher than expected sunspot activity that has been occurring almost from the moment the ramp up to solar maximum began in 2020 continued in March. The numbers weren’t as high as they were in December and January, but they were still higher than the predicted sunspot number.

» Read more

5 comments

Falcon 9 upper stage debris lands on Washington farm

9:57 am

Falcon 9 helium pressure tank
Click for full image.

When a Falcon 9 upper stage broke up over the Pacific northwest last week apparently one of its interior helium pressure tanks, used to help push the fuel or oxidizer from the larger tank during launch, fell on a Washington farm and has since been recovered.

The image to the right is that tank, in what appears to be remarkable shape. From the article:

Composite-overwrapped pressure vessels, or COPVs, are standard components in Falcon 9 rockets. They’re designed to hold the helium gas that’s used to pressurize propellant tanks. COPVs are likely candidates to survive re-entry because they’re relatively lightweight and heat-resistant.

The tank has been returned to SpaceX, which I am sure is going to be very interested in studying its condition very thoroughly.

23 comments

Russian gov’t okays extension of U.S cooperative space treaty to ’30

9:45 am

The Russian government yesterday officially approved an extension to 2030 of the cooperative space treaty with the United States that was initially signed in 1992.

According to the TASS article at the link, the U.S. government has already approved this extension. The original agreement was for U.S. flights to the Russian space station Mir. It has been renewed four times since to cover the deal to build and use ISS.

This could very well be the last extension of this deal. By 2030 private commercial American stations should be operational, and the age of some of the oldest sections of ISS will likely need replacement. At that point the U.S. will probably decide to retire its half of ISS.

What the Russians will do is uncertain. The government doesn’t have the cash to build its own station. Nor has that government allowed a private commercial space industry to thrive and thus be financially able to build private commercial stations. Russia may separate its part of ISS and attempt to keep it aloft, but some of their modules are the oldest, and have shown signs of that age.

4 comments

Two pits at opposite ends of Mars’ big volcanoes

12:40 pm

Overview map

Regular readers of Behind the Black know that since 2018 I have regularly documented all the images of pits taken by the high resolution camera on Mars Reconnaissance Orbiter (MRO). (See my last pit post in January for a full list of these previous articles.) The black dots on the map to the right shows the location of all the pits near the volcanoes Arsia and Pavonis Mons that have so far been highlighted here.

The two white dots are the two most recent MRO pits, and are the subject of today’s cool image. They also happen to be the farthest north and south pits so far documented. The southernmost pit, which I am saving till last, is the most interesting.
» Read more

2 comments

Today’s blacklisted American: the David Horowitz Freedom Center and its webpage FrontPage

10:45 am

Today's modern witch hunt
Burn witches: What the Southern Poverty Law Center
does to ordinary conservatives.

They’re coming for you next: The conservative David Horowitz Freedom Center and its publication FrontPage Magazine has found itself repeatedly blackballed by various major companies, simply because the center stands for freedom and the principles of western civilization.

In just the past couple of years, MasterCard temporally shut us down, one of our local banks closed our account due to our “controversial positions on issues,” and a brokerage firm closed our account for “unknown reasons.” Amazon will not allow the Freedom Center, a 501 c3 IRS designated nonprofit, to participate in their Amazon Smiles charity campaign because of the SPLC’s [Southern Poverty Law Center] designation of the Center has a “hate group” and now Disqus, the largest networked community platform on the Internet, has canceled our service.

The last example from Disqus involved that company’s sudden decision to cease providing the FrontPage website its commenting service.
» Read more

13 comments

InSight detects additional 3+ magnitude quakes on Mars

8:23 am

Martian quake map as seen by InSight

According to a JPL press release today, the seismometer on the Mars lander InSight detected two new 3+ magnitude quakes in March, both coming from the Cerberus Fossae region, the same region where the bulk of seismic activity has so far been pinpointed on Mars.

The map to the right was presented several weeks ago at the 52nd Lunar and Planetary conference, and could possibly include one of these two new quakes. The timing however of these March quakes is significant:

The new quakes have something else in common with InSight’s previous top seismic events, which occurred almost a full Martian year (two Earth years) ago: They occurred in the Martian northern summer. Scientists had predicted this would again be an ideal time to listen for quakes because winds would become calmer. The seismometer, called the Seismic Experiment for Interior Structure (SEIS), is sensitive enough that, even while it is covered by a dome-shaped shield to block it from wind and keep it from getting too cold, wind still causes enough vibration to obscure some marsquakes. During the past northern winter season, InSight couldn’t detect any quakes at all.

They are beginning to use the lander’s scoop to cover the seismometer and its communications tether with sand to protect both from the wind and temperature fluctuations. Once done they hope to be able to detect quakes during the entire Martian year, though this ability will be further limited by a reduction in power.

Despite the winds that have been shaking the seismometer, InSight’s solar panels remain covered with dust, and power is running lower as Mars moves away from the Sun. Energy levels are expected to improve after July, when the planet begins to approach the Sun again. Until then, the mission will successively turn off the lander’s instruments so that InSight can hibernate, waking periodically to check its health and communicate with Earth. The team hopes to keep the seismometer on for another month or two before it has to be temporarily turned off.

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Tianwen-1’s engineers set mid-May for rover landing on Mars

7:59 am

The new colonial movement: The science team for China’s Tianwen-1 orbiter are now targeting mid-May for when they will release and land the as-yet unnamed rover for its landing on Mars.

Wang Chi, director of the National Space Science Center at the Chinese Academy of Sciences, said March 23 that Tianwen 1’s lander and rover are scheduled to touch down on Mars in May.

“The first Chinese Mars mission, Tianwen 1, is now orbiting Mars, and we are landing in the middle of May,” Wang said in a presentation to the National Academies’ Space Studies Board. “We are open to international cooperation, and the data will be available publicly soon.” [emphasis mine]

Though China has generally released the scientific data of its lunar probes eventually, they have done it slowly. In the case of Tianwen-1, they released so far practically nothing, with the only images released being two hi-resolution ground images and a handful of distant global pictures of Mars.

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Today’s blacklisted Americans: Conservatives on the email provider MailChimp

1:25 pm

The cancelled Bill of Rights
Doesn’t exist at MailChimp

They’re coming for you next: The email provider MailChimp has since the November election made it a clear policy to routinely cancel the accounts of conservatives if they dare send out any emails it deems politically incorrect.

In November MailChimp instantly disabled the email account of two tea party organizations, one in Virginia and the other in South Carolina, when they each tried to send out email notices to their members about post-election pro-Trump rallies.

In January MailChimp did the same to a conservative organization in California that was running a conference calling for the end of the overbearing lockdown rules imposed by the Democrat governor Gavin Newsom.

Because the ReOpenCalNow organizers are targeting a high level audience of policymakers, they assembled an email list of several thousand of California’s local elected officials. The list includes city council members, county supervisors, and members of school boards. Using MailChimp, they sent out three email blasts before receiving the following message:

“We received a direct complaint regarding a recent campaign sent from the account with the username ReOpen Cal Now. Direct complaints are serious because they indicate that a recipient contacted Mailchimp, our hosting facility, or a blocklisting agency about an unsolicited email.” The MailChimp email went on to say: “Because the content associated with your industry conflicts with our Acceptable Use Policy (mailchimp.com/legal/acceptable_use), Mailchimp is unable to serve as your email service provider and your account has been disabled.”

MailChimp went on to reject all appeals, and it is clear that the reason they would not reinstate ReOpenCalNow’s account was not because of spam. The laws protecting people from receiving spam do not apply to publicly available emails of elected officials. Every email on the list compiled by ReOpenCalNow were publicly available and corresponded to an elected official. [emphasis in original]

» Read more

10 comments

Very peculiar flow features on Mars

12:29 pm

Peculiar flows on Mars
Click for full image.

Today’s cool image focuses on one of the weirdest flow features I have yet seen on Mars. The first photo to the right, rotated and cropped to post here, comes from a January 27, 2021 picture by the high resolution camera on Mars Reconnaissance Orbiter (MRO). This cropped section focuses on the middle of three such weird features, two close flows heading downhill on the interior rim of very eroded 28-mile-wide crater. For some reason the flows also have depressions on their crowns. The depressions almost look like someone carved them out with a spackling spatula. In fact, the MRO science team agrees, labeling this image as “Spatulate Depressions with and without Upslope Gullies.”

The second image to the right shows a wider crop of the same picture, and explains the reason for the last half of that label.
» Read more

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Ingenuity unfolded and ready for placement on ground

9:59 am

Ingenuity unfolded
Click for full image.

The photo to the right, taken yesterday, shows Perseverance’s Ingenuity helicopter now vertical with its legs deployed, hanging from the bottom of the rover and ready for placement on the ground.

The next step will be drop Ingenuity those last few inches. Once released Perseverance will quickly drive away, as it will no longer be providing power to the helicopter and will instead be blocking its solar panels from sunlight.

Perseverance will then proceed to its lookout post while engineers check out Ingenuity to make sure all is working.

The targeted flight date remains April 8th.

UPDATE: JPL just announced that it is delaying Ingenuity’s flight to April 11th. The announcement was done by a tweet, so provided no explanation as to why JPL decided to delay three days.

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Sierra Nevada will build space stations and a manned version of Dream Chaser

9:38 am

Sierra Nevada's proposed LIFE space station
Artist conception of Sierra Nevada’s LIFE space station

Capitalism in space: Sierra Nevada announced today that it will not only build a manned version of its Dream Chaser reusable mini-shuttle, it now intends to use that shuttle as a ferry to its own space station, made up of inflatable modules.

They have dubbed their proposed station LIFE, and describe as follows:

The LIFE habitat is a three story, 27-foot large inflatable fabric environment that launches on a conventional rocket and inflates on-orbit. The LIFE habitat is undergoing a NASA soft-goods certification this year and the full size ground prototype developed under NASA’s NextSTEP-2 contract is in the process of being transferred from Johnson Space Center in Texas to Kennedy Space Center in Florida for further testing on short-and long-term habitation. SNC’s Astro Garden® system also provides fresh food within the habitat.

Making a manned version of Dream Chaser was always expected. Adding the company’s own station makes complete sense. Except for the rocket to launch a Dream Chaser spacecraft, Sierra Nevada will be able to provide a full service experience to, in, and from space.

9 comments

Shetland spaceport application rejected by local monument authority

9:36 am

The application to build a spaceport on one of the Shetland Islands has been rejected by a local monument authority because it would cause “extensive and adverse impact on the cultural significance” of a WWII radar station.

Mr Strang [head of the spaceport organization] said he was “greatly surprised” by the decision, claiming HES [Historic Environment Scotland] had “done nothing to preserve the site for the last 50 years”.

Skaw is the UK’s most northerly Second World War radar station and protected as a scheduled monument of national importance. The proposed space centre would be built almost entirely with in the RAF radar station site. It would require the removal of nine buildings, including air raid shelters, guard huts and those associated with the radar system. More than 200 archaeological features, such as foundations of buildings, gun emplacements and bomb craters would also be removed.

The Shetland Islands are very remote with few job opportunities for its residences. Putting a spaceport there seems like an excellent idea, especially because it will create hundreds of jobs where none exist now.

The radar facility did the same, but it did so more than seventy years ago, during World War II. Protecting these old and unused buildings for the sake of those long gone jobs seems utterly foolish.

The spaceport people say they will oppose this decision, but it is not clear from the article what they can do. The law as written appears to give this historical agency full power to veto.

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